package com.dgut.autoconfig;


import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.ApplicationEventMulticaster;
import org.springframework.context.event.SimpleApplicationEventMulticaster;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;

import java.util.concurrent.ThreadPoolExecutor;

@Configuration
@EnableConfigurationProperties(CustomProperties.class)
@ConditionalOnProperty(prefix = "cao.auto", name = "enable", havingValue = "true")
public class Autoconfig {
    @Bean
    public RemoteCommandLineRunner creatRemoteCommandLineRunner(Environment env) {
        return new RemoteCommandLineRunner(env);
    }

    @Bean(AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME)
    ApplicationEventMulticaster customApplicationEventMulticaster(ThreadPoolTaskExecutor taskExecutor) {
        SimpleApplicationEventMulticaster eventMulticaster = new SimpleApplicationEventMulticaster();
        eventMulticaster.setTaskExecutor(taskExecutor);
        return eventMulticaster;
    }

    @Bean
    public ApplicationListener<ApplicationReadyEvent>listener(){
        return new ApplicationListener<ApplicationReadyEvent>() {
            @Override
            public void onApplicationEvent(ApplicationReadyEvent event) {
                System.out.println("自定义的ApplicationReadyEvent 事件监听器");
            }
        };
    }
    @Component
    public static class NoticeListener implements ApplicationListener<Event.NoticeEvent> {
        private static final Logger logger = LoggerFactory.getLogger(NoticeListener.class);

        @Override
        public void onApplicationEvent(Event.NoticeEvent noticeEvent) {
            logger.info("事件监听器获取到NoticeEvent，睡眠当前线程2秒...");
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            logger.info("NoticeEvent的message属性是 :{}", noticeEvent.getMessage());
        }
    }

}
